Ruby script to migrate Rubocop settings from Style to Layout

migrate_rubocop_style_to_layout.rb

# source: https://gist.github.com/wojtha/f97f45a6a09f14a58e5721fb178f2d3f
# Fixes complains such as:
# .rubocop.yml: Style/IndentationConsistency has the wrong namespace - should be Layout
# .rubocop.yml: Style/IndentationWidth has the wrong namespace - should be Layout
# .rubocop.yml: Style/DotPosition has the wrong namespace - should be Layout

layouts = %w[
    AccessModifierIndentation
    AlignArray
    AlignHash
    AlignParameters
    BlockAlignment
    CaseIndentation
    ClosingParenthesisIndentation
    CommentIndentation
    DefEndAlignment 
    DotPosition
    EmptyLineBetweenDefs
    EmptyLinesAroundBlockBody
    EmptyLinesAroundClassBody
    EmptyLinesAroundModuleBody
    EndAlignment
    ExtraSpacing
    ExtraSpacing
    FirstParameterIndentation
    IndentArray
    IndentAssignment
    IndentationConsistency
    IndentationWidth
    IndentHash
    LeadingCommentSpace
    MultilineArrayBraceLayout
    MultilineAssignmentLayout 
    MultilineHashBraceLayout
    MultilineMethodCallBraceLayout
    MultilineMethodCallIndentation
    MultilineMethodDefinitionBraceLayout
    MultilineOperationIndentation
    SpaceAfterComma
    SpaceAroundBlockParameters
    SpaceAroundEqualsInParameterDefault
    SpaceAroundOperators
    SpaceBeforeBlockBraces
    SpaceBeforeComma
    SpaceBeforeFirstArg
    SpaceInLambdaLiteral
    SpaceInsideBlockBraces
    SpaceInsideBrackets
    SpaceInsideHashLiteralBraces
    SpaceInsideParens
    SpaceInsideStringInterpolation
    TrailingBlankLines
  ]
  
  path = '.rubocop.yml'
  
  legacy_content = File.read(path)
  new_content = legacy_content.gsub(/Style\/(#{ layouts.join('|') })/, 'Layout/\1')
  File.write(path, new_content)